306 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Otocory.r alpestris Lichtenstein, Nom. A v. Mus. BeroL, 1854, 38. 



Alauda cornuta Wilson, Am. Orn., i, 1808, 87. 



Eremophila cornuta Boie, Isis, 1828, 322. — Baird, Rep. Pacific R. R. Surv., ix, 



1858, 403, part; Cat. N. Am. ButIs, 1859, no. 302.— Coues, Proc. Ac. Nat. 



Sci. Philad., 1861, 221 (Labrador). 

 Phileremos cornutus Bonaparte, Geog. and Comp. List, 1838, 37, part. 

 [Otoco7-is] cornuta Bonaparte, Consp. Av., i, 1850, 246. — Gray, Hand-list, ii, 



1870, 117, no. 7728. 

 O[tocorys] cornuta Cabanis, Mus. Hcin., i, March, 1851, 122 f North America). 



OTOCORIS ALPESTRIS HOYTI Bishop. 

 HOYT'S HORNED LARK. 



Similar to 0. a. alpestris, but slightly paler, with superciliary stripe 

 white instead of yellow, yellow of throat paler and more restricted 

 (usually confined to middle of throat), and general coloration of 

 upper parts rather grayer brown. Adult female much grayer than 

 that of 0. a. alpestris, with superciliary stripe white, throat white 

 or yellowish white and sides of breast grayish vinaceous instead of 

 cinnamomeous ; browner than that of 0. a. arcticola, with throat and 

 chin (especially the latter) more or less tinged with yellow. Young 

 similar in coloration of upper parts to that of 0. a. alpestris, but 

 superciliary stripe dull buffy white, instead of pale yellowish, and 

 under parts without yellow tinge. (Intermediate between 0. a. 

 alpestris and 0. a. arcticola, differing from the latter in slightly 

 darker and browner upper parts and yellowish throat.) 



Adult ?mZe.— Length (sldns), 170-180 (175); wing, 104-115.5 

 (111.1); tail, 65.5-75 (70.5); exposed culmen, 10.5-13 (11.4); tarsus, 

 21-2.3.5 (22.3); middle toe, 11.5-13 (12. 5). « 



Advlt female.— Length, (skins), 160-170 (165); wing, 102-107 

 (104); tail, 60-69 (63.2); exposed culmen, 10-11.5 (10.8); tarsus, 

 21-23.5 (22.1); middle toe, 11-13 (12).^ 



Breeding in British America from western shores of Hudson Bay 

 to valley of the Mackenzie River, north to Arctic coast, south to 

 Lake Athabasca; migrating southward to Michigan, Kansas, Utah, 

 and Nevada, casually to Ohio and New York (Long Island). 



0[tocoris] alpestris Ridgway, Man. N. Am. Birds, 1887, 348, part. 



0[tocorys] aljyestris Coues, Key N. Am. Birds, 5th ed., i, 1903, 505, part. 



Alauda . . . alpestris (not of Linnaeus) Forster, Philos. Trans., Ixii, 1772, 398 



(Albany Fort, Hudson Bay). 

 Otocoris alpestris Cooke, Bird Migr. Miss. Val., 1888, 155, part. — Clarke, Auk, 



vii, 1890, 322 (Fort Churchill, Keewatin, breeding). 

 E[remophila] alpestris Coues, Key N. Am. Birds, 2d ed.,1884, 281, part. 

 O[tocorys] alpestris Coues, Key N. Am. Birds, 5th ed., i, 1903, part. 

 Oltocoris] alpestris Ridgway, Man. N. Am. Birds, 1887, 348, part. 

 Otocorys alpestris leucolxma (not Eremophila alpestris b. leiicohrma Coues) Hen- 



SHAW, Auk, i, 1884, 258, part. 



a Fifteen specimens. 6 Thirteen specimens. 



